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Old 05-07-2013, 08:27 PM   #15
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1966 22' Safari
1954 22' Flying Cloud
Saline , Michigan
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Frank can you weld more stock below the frame so you will have enough material to drill your holes through? Just curious, hoping you find a solution. BTW makes me worry because I will soon be adding a torsion axle to an old 54 FC frame which is only 3" high......and will need some type of plate to weld / bolt the axle to... Good luck, and please post your solution.
Thanks,
Barry
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Old 05-09-2013, 08:44 AM   #16
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Originally Posted by 62overlander View Post
on any other year, the mounting plate is a full 1 1/2, if not 2" taller. 1964 is a very odd year. I thought this would be informative to those owners. I feel like I am really being second guessed here and hope this thread will be taken down. No wonder so many commercial vendors who do this work day in and day out have stopped posting.
Frank.

The bracket on the torsion axles was changed for the 1969 models.

From 1961 to the 1968 trailers, the axle mounting plate, the plate welded to the outside of the chassis, is indeed very short in height that extends below the actual frame.

Many years ago, I got together with Henschen and the engineers at Airstream, to work out a "fix", so that the newer mounting plates can easily be used.

The answer was to drill 3 1/2 inch holes in the axle mounting bracket and through the axle mounting plate, and install grade "8" 1/2 inch bolts. We have offered that hardware kit for several years and so far, it has answered the question.

The next seemingly new obstacle wasthe increase in size of the square tube. Generally speaking, the square cut out must be enlarged. It's increase in size has nothing to do with any "alignment" issues, just so the axle can be raised in place.

The alignment for the new installation, is to make sure that the rear hole in the axle mounting bracket lines up exactly vertical with the rear hole in the axle mounting plate.

Drill the 3 new holes, install the hardware, and that side is done. Repeat the same for the other side as well.

Installing a replacement torsion axle when the original was welded in place, requires a little measuring to make sure that both axle mounting bracket dimensions are exactly the same from the leading edge of the bracket, to the center of the jack post on the A frame.

Then, the replacement can be welded into place the same way as the original axle.

Dexter claims that the welding method will damage the rubber rods. We checked the temperature rise with an infra red gun, and found that indeed, the temperature of the area did rise.

Yes, the temperature did rise, to a whopping 16 degrees F.

The same rise in temperature happens when the shock brackets are installed.

Holy smokes, does that mean if the trailer is towed in the heat of the summer in Arizona, that the rubber rods go bad????

I don't think so, and I also disagree with the implied scare tactics.

Andy
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Old 05-10-2013, 07:14 PM   #17
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I truly appreciate this thread. Please do not take it down. I just dropped the old axle from my '64 Safari and only noticed the new axle doesn't bolt right up when I tried to do so. I didn't realize these weren't direct replacements. I just sent an e-mail to Andy asking if I had the right axle, but now that I've read this, I see I probably do. It just needs a little modification. I just wish I had been told that up front. Anyway, please don't take all the questions from us armature mechanics the wrong way. We trust you, but we're not all that quick to understand.
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Old 05-10-2013, 07:31 PM   #18
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Ok, I went out to start doing the widening of the axle hole, etc., when I noticed that the shock bracket on the new axle is mounted above the axle whereas in my original, it's mounted above the spindle. Is this another change with the new axles? It really doesn't look like it will do much of anything being mounted just above the axle. I'm wondering again if I got the right axle. Any help would be greatly appreciated. I'm kind of dead in the water until I know I have the right one.
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Old 05-10-2013, 08:33 PM   #19
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Ok, I went out to start doing the widening of the axle hole, etc., when I noticed that the shock bracket on the new axle is mounted above the axle whereas in my original, it's mounted above the spindle. Is this another change with the new axles? It really doesn't look like it will do much of anything being mounted just above the axle. I'm wondering again if I got the right axle. Any help would be greatly appreciated. I'm kind of dead in the water until I know I have the right one.
The axle mounted shock bracket as well as the frame bracket was changed in the mid 68 models.

All you need to do is cut the vertical bracket in half, overlap it, and weld it into place.

The maximum distance then between the 2 studs should not exceed 14 1/2 inches.

Andy
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Old 11-06-2013, 06:21 PM   #20
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64 axle

Hey Frank.

I can assure you and guarantee your info was not only informative but extremely useful. Why, cause a newbie like me is just getting ready to purchase a 64 safari, tomorrow. It has an original axle and I wouldn't be surprised at all if I need to replace it. Sooooooooo, need I say more, I think not.

Thank you kindly for not bailing on the post and continuing to respond. I for one am grateful. Likely just saved myself allot or time, scalded knuckles, screaming voices from my garage and some cash. Even if I have to have it done by someone else I will know how it's done properly.

Nuff said.

Thanks

Rlmm.
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Old 11-06-2013, 06:34 PM   #21
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Thank you for the kind words.
I can pretty much tell you the axle needs replacement. When first offered, Airstream advertised them as "worry free,never needing maintenance or to be replaced"
Now we know they last about 15 years.
Hope it goes well. I have a special place for 1964 trailers due to this project and if you need any advice or help, feel free to ask.
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Old 11-07-2013, 08:09 AM   #22
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Do all brands of axles have the same issue or just the Dexter? Can you tell me why you use Dexter over some other brand?
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Old 11-07-2013, 09:55 AM   #23
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Do all brands of axles have the same issue or just the Dexter? Can you tell me why you use Dexter over some other brand?
Who are you directing your question to?

Andy
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Old 11-07-2013, 06:22 PM   #24
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Who are you directing your question to?

Andy
Frank the originator of the article
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Old 11-07-2013, 06:44 PM   #25
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There are only three axle options. One is in Texas and the shipping is a killer. The second has decided that it will only sell axles to one guy who then makes a significant mark up reselling them to a semi captive audience. I do not like monopolies so I do not buy those. If a client wants those and has them shipped to me, I will put them on, but reluctantly. The third option(Dexter) is sold by many distributors. I have one, one mile from my shop, that sells them to me at just above their cost. I am able to pass that savings on to my clients and generally it allows them to spend a little more on the long list every owner has when they bring a trailer in. The distributor, customer, and myself all win this way instead of being gouged right off the bat.
I do like the Dexter axle the best however even if it does not come with a shock mount attached to it.

Just to back track... this thread was started to alert those who own 1964 units that the mounting plate it not very tall. It has to be extended to catch the bolts. It is simple enough to do by welding on some more metal to the bottom. I did not intend to start yet another Grand Axle Debate
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